市场需求确定下允许缺货的经济订货批量模型的扩展

在市场需求确定的情况下，针对由一个零售商和一个制造商构成的两级供应链，构造了一种新的允许缺货的经济订货批量模型。该模型考虑了商品保质期、商品零售价与商品的存储时间相关的因素。针对商品采购价有数量折扣和无数量折扣两种情况，研究了零售商如何制定订货策略。理论分析及数值仿真表明，当制造商和零售商充分合作时，将使制造商和销售渠道的收益增加，而零售商的收益将减少。

Extended EOQ model with deterministic demand and shortages

An extended Economic Order Quantity (EOQ) was constructed which considered a two-level supply chain containing a manufacturer and a retailer and allowed the deterministic demand and shortage. In this model, two new factors, i.e., product's expiry date and product's retail price with relation to product's storage time, were taken into account. Moreover, the retailer's ordering policy was studied under the influence of the above new factors when the purchasing price was quantity discount or not. The theoretical analysis and data simulation show that if the retailer cooperates with the manufacturer fully, it will increase manufacturer's profit and the two-level supply chain's profit, and decrease the retailer's profit.